WhatsApp Messenger

WhatsApp is a mobile messaging app, developed by the company WhatsApp Inc. It is available on such platforms as Android and iOS, and you can download it on the App Store and Google Play. 

Design

WhatsApp has got green panels and white background in the menu of chats. When the app is opened, the correspondence with other people is shown. When you start communicating, you'll see pleasant light wallpaper in the dialogue.  

In addition, in the chat settings, you can change the background of the chat window, and select another font. So, the app's design is laconic, and it goes along with the functionality, 

Content and Features

WhatsApp uses the phone number itself as an identifier, so there is no need to register somewhere and create an account. Moreover, it's not necessary to add contacts manually – all people from the contact list who are already using the program will automatically appear here. 

You can also send emoticons and attach various multimedia files, including photos, videos, audio, contacts, and even places on maps. Another useful feature of the application is the presence of voice messages.

Here you can also see checkmarks – notifications about message delivery. That is, if the message is sent to the server, then one checkmark is placed opposite it, and the second is shown when the message is received by the user. 

In addition to usual correspondence, you can organize joint chats with several people. It should be noted that each participant must be a WhatsApp user.
In this application, it's possible to make audio and video calls to other people who can be anywhere. You won't have to pay for it, it will be necessary just to control Internet traffic on the device.

User Experience

You will be able to understand how the app works very quickly. It's just necessary to tap on the contact and write him or her. Additional functions are presented as buttons.

This program is distributed free of charge, and at the same time has no advertising in the form of intrusive banners and various requirements to purchase goods. It should be noted that any bugs in the program don't appear.

Compatibility

The application can be installed on Android and iOS devices. It works on all gadgets well because has got low system requirements. There are no problems with synchronization: it's just necessary to insert your SIM card into the gadget.

Conclusion 

Convenient and useful program WhatsApp allows you to communicate with friends and acquaintances through messages. This application will be especially relevant for calls abroad. Among other advantages, there are the presence of group chats and a complete absence of advertising. If you often communicate with other people, you have to try it.